Feeds
提问
Low-pass filter
how to add a Low-pass filter the watermarked picture, i.e., replace each pixel by the average of its NxN pixel neighborhood (fo...
6 years 前 | 1 个回答 | 0
1
个回答提问
How to Select random data from matrix ?
a = imread('lena512.bmp'); %image(a); title('main img'); colormap(gray(256)); daspect([1 1 1]); % now i want to take the ha...
6 years 前 | 1 个回答 | 0
